drivers/memory/samsung/exynos-srom.h

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   3  *              http://www.samsung.com
   4  *
   5  * Exynos SROMC register definitions
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 #ifndef __EXYNOS_SROM_H
  13 #define __EXYNOS_SROM_H __FILE__
  14
  15 #define EXYNOS_SROMREG(x)               (x)
  16
  17 #define EXYNOS_SROM_BW          EXYNOS_SROMREG(0x0)
  18 #define EXYNOS_SROM_BC0         EXYNOS_SROMREG(0x4)
  19 #define EXYNOS_SROM_BC1         EXYNOS_SROMREG(0x8)
  20 #define EXYNOS_SROM_BC2         EXYNOS_SROMREG(0xc)
  21 #define EXYNOS_SROM_BC3         EXYNOS_SROMREG(0x10)
  22 #define EXYNOS_SROM_BC4         EXYNOS_SROMREG(0x14)
  23 #define EXYNOS_SROM_BC5         EXYNOS_SROMREG(0x18)
  24
  25 /* one register BW holds 4 x 4-bit packed settings for NCS0 - NCS3 */
  26
  27 #define EXYNOS_SROM_BW__DATAWIDTH__SHIFT        0
  28 #define EXYNOS_SROM_BW__ADDRMODE__SHIFT         1
  29 #define EXYNOS_SROM_BW__WAITENABLE__SHIFT       2
  30 #define EXYNOS_SROM_BW__BYTEENABLE__SHIFT       3
  31
  32 #define EXYNOS_SROM_BW__CS_MASK                 0xf
  33
  34 #define EXYNOS_SROM_BW__NCS0__SHIFT             0
  35 #define EXYNOS_SROM_BW__NCS1__SHIFT             4
  36 #define EXYNOS_SROM_BW__NCS2__SHIFT             8
  37 #define EXYNOS_SROM_BW__NCS3__SHIFT             12
  38 #define EXYNOS_SROM_BW__NCS4__SHIFT             16
  39 #define EXYNOS_SROM_BW__NCS5__SHIFT             20
  40
  41 /* applies to same to BCS0 - BCS3 */
  42
  43 #define EXYNOS_SROM_BCX__PMC__SHIFT             0
  44 #define EXYNOS_SROM_BCX__TACP__SHIFT            4
  45 #define EXYNOS_SROM_BCX__TCAH__SHIFT            8
  46 #define EXYNOS_SROM_BCX__TCOH__SHIFT            12
  47 #define EXYNOS_SROM_BCX__TACC__SHIFT            16
  48 #define EXYNOS_SROM_BCX__TCOS__SHIFT            24
  49 #define EXYNOS_SROM_BCX__TACS__SHIFT            28
  50
  51 #endif /* __EXYNOS_SROM_H */